fib

fib.c

#include "stdlib.h"
#include "stdio.h"

int fib(int n) {
        if (n == 0 || n == 1) {
                return 1;
        } else {
                return fib(n - 1) + fib(n - 2);
        }
}

int main(int argc, char** argv) {
        int i = atoi(argv[1]);
        printf("%d\n", fib(i));
        return 0;
}